CVE-2016-8655

Race condition in net/packet/af_packet.c in the Linux kernel through 4.8.12allows local users to gain privileges or cause a denial of service(use-after-free) by leveraging the CAP_NET_RAW capability to change asocket version, related to the packet_set_ring and packet_setsockoptfunctions.

Ubuntu-Description

Philip Pettersson discovered a race condition in the af_packetimplementation in the Linux kernel. A local unprivileged attacker could usethis to cause a denial of service (system crash) or run arbitrary code withadministrative privileges.

android kernels (flo, goldfish, grouper, maguro, mako and manta) are
not supported on the Ubuntu Touch 14.10 and earlier preview kernels
linux-lts-saucy no longer receives official support
linux-lts-quantal no longer receives official support